ilpcw/docs/test_plan.md

Test Plan & Strategy

Goals and Visibility Metrics

• Correctness: 100% Pass Rate for Unit and Component Tests.
• Performance: Go backend event processing (with oha)
  • Latency: average latency < 500ms
  • Reliability: success rate > 99%.
• Coverage: Minimum 80% branch coverage.

Integration Strategy: "Sandwich" Approach

Given the polyglot architecture, a "sandwich" integration strategy was adopted:

• Bottom-Up: Rigorous Unit Testing of the Go computation engine and Java Service logic using go test and JUnit.
• Top-Down: End-to-End (E2E) validation using Bruno and Manual UI testing.
• Meeting Point: Integration testing at the REST API layer using Spring Slice Tests.

Critical Path & Dependencies

The Critical Path for testing was identified as:

1. Core Algo (Go): Must be verified first as all upstream services depend on it.
2. API Contract: Java-Go interoperability must be stable before UI development.
3. UI Logic: Svelte validation is dependent on stable backend APIs.

Risk Management (ODC-Based Analysis)

Risks are categorized using ODC (Orthogonal Defect Classification) principles to predict potential defect impacts and assign targeted mitigations.

Risk ID	Risk Description	ODC Impact Category	Mitigation Strategy
R-DATA	Java/Go data models diverge, causing serialization failures.	Reliability	Implement strict JSON Schema validation (Shift-Left) in CI.
R-EXT	Drone Info API downtime or latency.	Capability / Stability	Invest in Mockito Stubs to simulate outages and verify fallback logic.
R-PERF	Latency: Go backend exceeds 500ms processing budget.	Performance	Run oha benchmarks on every commit to detect regression.
R-SEC	Unauthenticated Access: API endpoints exposed without tokens.	Security	Negative Testing: Automated security suites in Bruno to verify 401/403 responses.

Instrumentation Plan

• Scaffolding: Use Test Doubles (Stubs/Mocks) for all external HTTP calls.
• Observability: Implement Spring Actuator (/actuator/health) for black-box liveness checks.
• Logging: Use structured logging for traceability across services.